Global Patent Index - EP 0448578 B1

EP 0448578 B1 19931006 - HEATING DEVICE FOR HEATING THE INK IN THE PRINTING HEAD OF AN INK JET PRINTER

Title (en)

HEATING DEVICE FOR HEATING THE INK IN THE PRINTING HEAD OF AN INK JET PRINTER

Publication

EP 0448578 B1 19931006 (DE)

Application

EP 90900098 A 19891130

Priority

EP 88120856 A 19881214

Abstract (en)

[origin: WO9006851A1] A heating device in a writing head of sandwich design consists of an additional layer applied to the top layer adjacent to the ink reservoir (9) and the ink duct (8), which forms a heating layer (11) and a temperature-sensing layer (12), each of which can be contacted from the exterior. The heating layer (11) in the region of the ink reservoir (9) possesses a structure with a large surface area, preferably in the form of a meander.

IPC 1-7

B41J 2/05

IPC 8 full level

B41J 2/05 (2006.01); B41J 2/14 (2006.01)

CPC (source: EP US)

B41J 2/14072 (2013.01 - EP US); B41J 2/14153 (2013.01 - EP US); B41J 2002/14379 (2013.01 - EP US)

Citation (examination)

PATENT ABSTRACTS OF JAPAN, vol.11, nr. 39 (M-559)(2486) 5 February 1987; JP-A-61 206657

Designated contracting state (EPC)

DE

DOCDB simple family (publication)

WO 9006851 A1 19900628; DE 58905857 D1 19931111; EP 0448578 A1 19911002; EP 0448578 B1 19931006; JP H04506481 A 19921112; US 5191360 A 19930302

DOCDB simple family (application)

EP 8901452 W 19891130; DE 58905857 T 19891130; EP 90900098 A 19891130; JP 50054989 A 19891130; US 71578291 A 19910614